Atlas-core

atlas_core is Rust Lexer generator. It's used in the Atlas77 compiler. You can check for example of codes in Atlas77 repository under src/atlas_frontend/lexer/mod.rs.

There is also an example in src/tests/mod.rs

lib.rs:

atlas-Core

atlas-core is the foundational library for a language creation tool designed to assist users in developing languages. This core library currently serves as the building block for the creation of Atlas77, a functional programming language.

Currently, it's only purpose is to generate a Lexer and the way to do it is pretty straightforward